Northern Mariana Islands CIA Map The Northern Mariana Islands are a commonwealth of the United States found in the Pacific Ocean. Around 50,000 people live there. Its capital city is Saipan. Other helpful pages on WorldAtlas Official Spanish Speaking Nations What and Where is the Ring of Fire? 13 Original US Colonies - Map & Details Capital Cities of All European Nations Trending on WorldAtlas The Most Dangerous Cities in the World The Largest Countries in the World States With The Largest Populations Of Portuguese Americans The 10 Largest Cities in the World The Most Popular Sports in the World NFL Teams With the Most Super Bowl Wins The New 7 Wonders of the World The World’s Largest Oil Reserves By Country The World's Most Visited Countries This page was last updated on November 17, 2017.